Content Provider
The University of Maine: DigitalCommons@UMaine
9
DataCite Metadata Store (German National Library of Science and Technology)
8
Directory of Open Access Journals: DOAJ Articles
5
Unknown
5
Natural Environment Research Council: NERC Open Research Archive
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Australian National University: ANU Digital Collections
2
Copernicus Publications: E-Journals
2
HighWire Press (Stanford University)
2
IEDA: US Antarctic Program Data Center (via DataONE)
2
Imperial College London: Spiral
2
MDPI Open Access Publishing
2
Niedersächsisches Online-Archiv NOA
2
University of California: eScholarship
2
University of Colorado, Boulder: CU Scholar
2
Università degli Studi di Genova: CINECA IRIS
2
Université de Nantes: HAL-UNIV-NANTES
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archives ouvertes de Paris-Saclay
1
Caltech Authors (California Institute of Technology)
1
Central Washington University: ScholarWorks
1
Columbia University: Academic Commons
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Lancaster University: Lancaster Eprints
1
Monash University Research Portal
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
The Royal Society (via Crossref)
1
The University of Texas at Austin: Texas ScholarWorks
1
Universidad de Chile: Repositorio académico
1
Université de Paris: Portail HAL
1
Washington University St. Louis: Open Scholarship
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
eCite UTAS (University of Tasmania)
1